SG11202107449YA - Method of changing melt rheology property of bimodal polyethylene polymer - Google Patents

Method of changing melt rheology property of bimodal polyethylene polymer

Info

Publication number
SG11202107449YA
SG11202107449YA SG11202107449YA SG11202107449YA SG11202107449YA SG 11202107449Y A SG11202107449Y A SG 11202107449YA SG 11202107449Y A SG11202107449Y A SG 11202107449YA SG 11202107449Y A SG11202107449Y A SG 11202107449YA SG 11202107449Y A SG11202107449Y A SG 11202107449YA
Authority
SG
Singapore
Prior art keywords
polyethylene polymer
bimodal polyethylene
melt rheology
rheology property
changing melt
Prior art date
Application number
SG11202107449YA
Other languages
English (en)
Inventor
Chuan He
Timothy R Lynn
Robert N Reib
Bo Liu
Original Assignee
Univation Tech Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univation Tech Llc filed Critical Univation Tech Llc
Publication of SG11202107449YA publication Critical patent/SG11202107449YA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2400/00—Characteristics for processes of polymerization
    • C08F2400/02—Control or adjustment of polymerization parameters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
SG11202107449YA 2018-08-29 2019-08-21 Method of changing melt rheology property of bimodal polyethylene polymer SG11202107449YA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862724219P 2018-08-29 2018-08-29
US201962820592P 2019-03-19 2019-03-19
PCT/US2019/047433 WO2020046664A1 (fr) 2018-08-29 2019-08-21 Procédé de modification de la propriété de rhéologie à l'état fondu d'un polymère de polyéthylène bimodal

Publications (1)

Publication Number Publication Date
SG11202107449YA true SG11202107449YA (en) 2021-08-30

Family

ID=67874525

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202107449YA SG11202107449YA (en) 2018-08-29 2019-08-21 Method of changing melt rheology property of bimodal polyethylene polymer

Country Status (5)

Country Link
US (1) US20240101725A1 (fr)
EP (1) EP3867286A1 (fr)
CA (1) CA3126921A1 (fr)
SG (1) SG11202107449YA (fr)
WO (1) WO2020046664A1 (fr)

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003712A (en) 1970-07-29 1977-01-18 Union Carbide Corporation Fluidized bed reactor
US3709853A (en) 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US4011382A (en) 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4302566A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
CA1168521A (fr) 1982-02-01 1984-06-05 Clifford F. Thompson Detecteur de fuites
US4543399A (en) 1982-03-24 1985-09-24 Union Carbide Corporation Fluidized bed reaction systems
US4588790A (en) 1982-03-24 1986-05-13 Union Carbide Corporation Method for fluidized bed polymerization
US4988783A (en) 1983-03-29 1991-01-29 Union Carbide Chemicals And Plastics Company Inc. Ethylene polymerization using supported vanadium catalyst
FR2618786B1 (fr) 1987-07-31 1989-12-01 Bp Chimie Sa Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
US4994534A (en) 1989-09-28 1991-02-19 Union Carbide Chemicals And Plastics Company Inc. Process for producing sticky polymers
US5352749A (en) 1992-03-19 1994-10-04 Exxon Chemical Patents, Inc. Process for polymerizing monomers in fluidized beds
US5462999A (en) 1993-04-26 1995-10-31 Exxon Chemical Patents Inc. Process for polymerizing monomers in fluidized beds
ZA943399B (en) 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
CA2127822A1 (fr) 1993-07-13 1995-01-14 Yoshinori Morita Procede de polymerisation en phase gazeuse d'olefine
EP0649992B1 (fr) 1993-10-23 1997-07-30 WABCO GmbH Moteur de frein à disque
US5677375A (en) 1995-07-21 1997-10-14 Union Carbide Chemicals & Plastics Technology Corporation Process for producing an in situ polyethylene blend
US5665818A (en) 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
US5627242A (en) 1996-03-28 1997-05-06 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling gas phase fluidized bed polymerization reactor
US6063877A (en) 1997-07-31 2000-05-16 Union Carbide Chemicals & Plastics Technology Corporation Control of gas phase polymerization reactions
US6274684B1 (en) 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6489408B2 (en) 2000-11-30 2002-12-03 Univation Technologies, Llc Polymerization process
US7795366B2 (en) 2002-08-12 2010-09-14 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
US6828395B1 (en) * 2003-10-15 2004-12-07 Univation Technologies, Llc Polymerization process and control of polymer composition properties
US6967184B2 (en) 2004-02-17 2005-11-22 Univation Technologies, Llc Fluoroalcohol leaving group for non-metallocene olefin polymerization catalysts
US7157531B2 (en) 2004-06-21 2007-01-02 Univation Technologies, Llc Methods for producing polymers with control over composition distribution
CN101939343B (zh) * 2007-12-18 2013-10-02 尤尼威蒂恩技术有限责任公司 聚合期间控制双峰催化剂活性的方法
BR112014016024B1 (pt) 2011-12-31 2021-01-12 Univation Technologies, Llc aditivo de continuidade para processos de polimerização de poliolefinas
US10399052B2 (en) * 2014-11-25 2019-09-03 Univation Technologies, Llc Methods of controlling polyolefin melt index
CN107108787B (zh) 2014-11-25 2020-10-09 尤尼威蒂恩技术有限责任公司 控制聚烯烃熔融指数，同时增加催化剂产率的方法
US10113019B2 (en) 2014-11-25 2018-10-30 Univation Technologies, Llc Methods of changing polyolefin production conditions to mitigate small gels in a polyolefin article
US10941284B2 (en) * 2016-11-08 2021-03-09 Univation Technologies, Llc Polyethylene composition

Also Published As

Publication number Publication date
CA3126921A1 (fr) 2020-03-05
US20240101725A1 (en) 2024-03-28
WO2020046664A1 (fr) 2020-03-05
EP3867286A1 (fr) 2021-08-25

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